19110125

素因数分解:

$5^3\times {\mathrm{17}}^2\times {\mathrm{23}}^2$

素因数の和:95

約数の個数: 36

約数和(自身を含む): 26484276

約数和(自身を除く): 7374151

約数列:

[1, 5, 17, 23, 25, 85, 115, 125, 289, 391, 425, 529, 575, 1445, 1955, 2125, 2645, 2875, 6647, 7225, 8993, 9775, 13225, 33235, 36125, 44965, 48875, 66125, 152881, 166175, 224825, 764405, 830875, 1124125, 3822025, 19110125]

約数ペア:

[(1, 19110125), (5, 3822025), (17, 1124125), (23, 830875), (25, 764405), (85, 224825), (115, 166175), (125, 152881), (289, 66125), (391, 48875), (425, 44965), (529, 36125), (575, 33235), (1445, 13225), (1955, 9775), (2125, 8993), (2645, 7225), (2875, 6647)]